Wall hook



FIG. 1 is a front elevation view of the design with the cover thereof in its closed position;

FIG. 2 is a right side elevation view thereof; the left side elevation view is a mirror image of said right side elevation view;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a reduced scale drawing showing a front elevation view thereof with the cover thereof in its open position. 

The ornamental design for a wall hook, substantially as shown and described. 